Calcareo-argillaceous
Cal`ca´re`o-ar`gil`la´ceous
a. | 1. | consisting of, or containing, calcareous and argillaceous earths. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
a. | 1. | consisting of, or containing, calcareous and argillaceous earths. |